1.ABS/PC trolley luggage.Polycarbonate and ABS shell. this pioneering material is both lightweight and strong and makes the case more tough.2.Flexible material offers protection and resilience with a no stress make return.3.Reinforced impact zones on corners for extra strength.4.Four 360 degree spinner wheels at the bottom for sliding anywhere you want. a nice and eye- catching luggage case for short distanse.5.Aluminum retractable trolley handle system can be set at multiple height sturdy and lightweight.